1. Surendranath Gandla gandlasurendranath45@gmail.com
7842526990
A Brief Overview:
 3.9 years of extensive professional experience in implementing production quality code
utilizing Informatica, UNIX shell scripting, SQL PL/SQL, Data Mover, eConvert, ADP Vantage
HCM, Data Lake
 Have experience in various activities of ETL to extract data from multiple sources like Oracle,
Flat files into target tables using transformations like Source Qualifier, Expression, Router,
Lookup, and Aggregator etc.
 Designed and developed various Informatica mappings, sessions and workflows.
 Proficient in using following tools of Informatica power center: Repository, Designer,
Workflow and monitor.
 Designing and develop Tableau Reports, Documents, Dashboards and Scorecards per specified
requirements and timelines.
 Strong Database & UNIX OS troubleshooting.
 Good knowledge in Oracle 11g/10g.
 Used Remedy Tool during Production Support.
 Good knowledge in SQL.
 Extensively worked with customer.
 Excellent analytical, problem-solving and computing skills
 Strong organizational, planning, inter-personal and communication skills
 Self-Motivated, Self-Learnerand Self Starter. Quick learner, eager and willing to learn and
work on new technologies.
 Have excellent problem solving, time management skills, communication skill, organizational
skills, self-motivated, hardworking, ability to work independently or as part of a team.
 Valuable team player and fast learner.
EDUCATIONAL QUALIFICATION
 B.Tech (Electronics and Communication Engineering) with an aggregate of 79.5% from JNT
University, Ananthapur during the year 2007-2011.
 INTERMEDIATE in M.P.C with an aggregate of 93.7% from Smt.Theresa Junior College during the
year 2005-2007.
 Secured an aggregate of 84.16% in SSC from the Zilla Parishad High School in the year 2005.

2. Technical Expertise Summary
Primary Skill Set
Domain Telecom, Retail and Human Capital Management
ETL Tool Informatica 9.5
Languages UNIX Shell scripting, pro C ,C++, SQL, PLSQL, Informix 4GL
Secondary Skills
Database Oracle 11G
Reporting Tool IBM Cognos , Tableau 9.x and ADPR
Microsoft Products MS-Office 2007/2010/2015
Operating System Windows XP, Windows 7
IDEs SQL Developer, Visual studio 2010 Enterprise edition, Eclipse
Professional Experience
Organization Period
ADP Private Limited December 2015 – Till Date
NTT DATA Global Delivery Services Limited September 2012 – December 2015
Achievements
 Got Supreme Customer Satisfaction for Delivery Excellence fromClient CIO
 Got Spot Award for on time delivery with supreme customer satisfaction.
Professional Experience:
Project Profile #1 National Accounts (Dec 2015 – Till Date) Company: ADP
Project Name National Accounts
Customer Serving For Multiple Clients
Period Dec-7-15 to Till Date
Description ADP Mainly Deals with Human Capital Management data which includes
Employee data for an Organization. ETL Developer Responsibilities includes
Extracting Employee data from client’s legacy system, transforming it into
ADP required format and Loading it into ADP systemto process the employee
Payroll.
The main challenge is all the development has to be done in UAT and PROD
environment directly without any development environment.
Role ETL Developer dealing with multiple tools like Informatica, DATA LAKE &
ECONVERT(ADP Internal Tools)

3. Work Performed  Analysing the requirement.
 Prepared design documents.
 Unix Shell Scripting:
o Experienced in Automation using Shell Scripting.
o Strong Database & UNIX OS troubleshooting
o Scheduling/executing the mappings created using Unix Shell
scripting.
 Informatica:
o Analysing the existing Informatica model to find out the
suitable mapping to do custom changes as per the
requirement.
o Creating new mappings. Modified existing mappings based on
requirement.
o Created new sessions and workflows in Informatica Workflow
Monitor.
o Scheduling/executing the mappings created.
o Validating the target table data with source data.
 DATA LAKE & EConvert
o Creating the conversions based on the mapping sheet provided
by Data Miner.
o Processing the conversions
o Validating the conversions in Preview Mode before processing
it.
 Performance tuning of ETL
o Reducing the look up table size based on the incoming source.
Creating indexes on column used in look-up conditions.
o Avoiding Look-up transformation by SQL Left join. Indexing the
columns used for updates in target tables.
o Reducing ETL runtime by using Data Partitioning concepts.
 Reporting using BI Tools
o Designing the Dash boards and various charts using Tableau for
HCM domain based on client requirements.
Environment Informatica Version 9.1.0 HotFix2,DataLake EV5.03, EConvert EV5.00 ,SQL
Developer, Tableau 9.x
Project Profile #2 Shoppers Drug Mart, Canada: (Feb 2013 – Dec 2015) Company: NTT DATA
Project Name Shoppers Drug mart
Customer Shoppers Drug mart
Period Feb-2013 to Dec 2015
Description SHOPPERS DRUG MART is Canada’s leading health, beauty and convenience
retailer with more than 1400 stores at various places across Canada. This
main purpose of the project is used to maintain the sales and inventory

4. information. The database has lots of historical data, so data warehousing
plays a Major role in enabling various Sources to view data at a lowest level
and help them to make Decisions to bring more revenue to company with
new policies. Our mission is used to deliver the Scripts using Shell Scripting
based on the Client needs which help them to analyze their business more
effectively.
Role Senior Software Engineer
Work Performed  Analysing the requirement.
 Scheduling Backup and Backup scripts.
 Created various scripts in the design and Implementation of EXIT
Strategy and developed the scripts.
 Experienced Developer with exceptionally good in Unix Shell Script,
SQL.
 Expertise in C and C++ Programming, Pro *C for various applications.
 Provided the Application Support for VC++ application called LITES
using UNIX Scripting.
 Well worse with ORACLE 10g, 11g and PL/SQL.
 Experienced in Automation using Shell Scripting.
 Strong Database & UNIX OS troubleshooting.
 Developed mappings according to the mapping specifications.
 Created various transformations according to the business logic for
loading the data into data warehouse.
 Designed the ETL process using Informatica tool and participated in
preparing mapping transformation logic documentation as per
business requirements.
 Developed Informatica mappings and workflows for extracting,
transforming and loading of data from source to target database using
Informatica client tools.
 Designing and develop Tableau Reports, Documents, Dashboards and
Scorecards per specified requirements and timelines.
 Developed the dash boards for forecasting for Retail domain.
Environment UNIX Shell Scripting, INFORMATICA, SQL, PL/SQL, Oracle Database 11g
Enterprise Edition Release 11.2.0.4.0, Tableau 8.x
Project Profile #2 Everything Everywhere, UK: (Dec 2012 to Feb 2013), Company: NTT DATA
Project Name Everything Everywhere
Customer Everything Everywhere
Period Dec-2012 to Feb-2013
Description Analysis of Revenue Protection domain of Orange Telecommunication. This
domain monitors the revenue losses and identifies the delinquency level in
the account. System generates the many adhoc, daily and monthly reports for

5. the Fraud analysis team. Depends on the level of risks the actions will be
taken on the respective accounts. It involves following main systems mentis,
MIR, CAIS, FEC, FPC and tallyman.
Role Programmer
Work Performed  Prepared technical design documents.
 As part of this done code level analysis to understand the domain.
Identified the systemlevel use cases and created the application level
documents for the MIR and Tallyman system.
 Experienced in Automation using Shell Scripting.
 Specialized in C++ Programming on UNIX platform
Environment C, C++,pro C, Unix Shell Scripting, Informix 4GL